<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <!-- <script>
        var sum = 0;
        var num = 1
        while (num <= 100) {
            sum += num;
            num += 1;
        }
        console.log(sum)
    </script> -->
     <script>
        // var sum = 0;
        // var num = 2
        // while (num <= 100) {
        //     sum += num;
        //     num += 2;
        // }
        // console.log(sum)



        // var msg = prompt('xxxxx')

        // while ( msg !== 'yyyy'){
        //     msg = prompt('xxxxx')
        // }

        // alert('zzzzz')


      for( var a = 1; a <= 100; a++ ) {
          if( a % 3 === 0){
            //   continue
            break
          }
          console.log(a);
          
      }

    </script>
    
</body>

</html>